Home / 6,191.18-8,534.40-5,243.48

Finding the Fourth Proportional to 6,191.18, 8,534.40 and 5,243.48

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Solution

The fourth proportional to 6,191.18, 8,534.40 and 5,243.48 is: 7,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.18 : 8,534.40 = 5,243.48 : x
  2. Step 2: Convert to fraction form
    6,191.18/8,534.40 = 5,243.48/x
  3. Step 3: Cross multiply
    6,191.18x = 8,534.40 × 5,243.48
  4. Step 4: Simplify right side
    6,191.18x = 44,749,955.71
  5. Step 5: Solve for x
    x = 44,749,955.71/6,191.18
  6. Step 6: Final answer
    x = 7,228.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.